Randomize segment name generated for SharedArray.

Compensates for the lack of an analog of `shm_unlink` in Windows. Addresses JuliaLang#10773.
twadleigh · Apr 19, 2015 · 3dbc6cc · 3dbc6cc
1 parent 8f69307
commit 3dbc6cc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/base/sharedarray.jl b/base/sharedarray.jl
@@ -49,7 +49,7 @@ function SharedArray(T::Type, dims::NTuple; init=false, pids=Int[])
     local shmmem_create_pid
     try
         # On OSX, the shm_seg_name length must be < 32 characters
-        shm_seg_name = string("/jl", getpid(), round(Int64,time() * 10^9))
+        shm_seg_name = @sprintf("/jl%06u%s", getpid() % 10^6, randstring(20))
         if onlocalhost
             shmmem_create_pid = myid()
             s = shm_mmap_array(T, dims, shm_seg_name, JL_O_CREAT | JL_O_RDWR)